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Finding the Fourth Proportional to 90,183,531.90, 135,275,297.85 and 90,183,531.90

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Solution

The fourth proportional to 90,183,531.90, 135,275,297.85 and 90,183,531.90 is: 135,275,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183,531.90 : 135,275,297.85 = 90,183,531.90 : x
  2. Step 2: Convert to fraction form
    90,183,531.90/135,275,297.85 = 90,183,531.90/x
  3. Step 3: Cross multiply
    90,183,531.90x = 135,275,297.85 × 90,183,531.90
  4. Step 4: Simplify right side
    90,183,531.90x = 12,199,604,138,937,476
  5. Step 5: Solve for x
    x = 12,199,604,138,937,476/90,183,531.90
  6. Step 6: Final answer
    x = 135,275,297.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.